html, body{
	position: relative;
	font-family: "Microsoft Yahei", sans-serif, serif;
	font-size: 100px;
	margin: 0;
	padding: 0;
	width: 100%;
	height: 100%;
	overflow-x: hidden;
}
body{
	font-size: 0.12rem;
	color: #333333;
	overflow: hidden;
	padding: 0 0.1rem;
	box-sizing: border-box;
}

header{
	position: relative;
	height: 0.44rem;
	line-height: 0.44rem;
	color: white;
	text-align: center;
	font-size: 0.15rem;
	background-color: #29b482;
}
header .nav-back{
	position: absolute;
	left: 0;
	top: 0;
	display: inline-block;
	width: 0.54rem;
	height: 100%;
	background-image: url();
	background-repeat: no-repeat;
	background-position: center;
	background-size: 0.2rem auto;
}
header .nav-homepage{
	position: absolute;
	right: 0;
	top: 0;
	display: inline-block;
	width: 0.54rem;
	height: 100%;
	background-image: url();
	background-repeat: no-repeat;
	background-position: center;
	background-size: 0.2rem auto;
}

h1{
	text-align: center;
	padding: 0.2rem;
}

.btn{
	height: 0.4rem;
	line-height: 0.4rem;
	text-align: center;
	color: white;
	background: #29b482;
	margin: 0 0.12rem;
}